/Engine/Plugins/Runtime/StateTree/Source/StateTreeModule/Public/StateTreeExecutionContext.h
Traverses the ActiveStates from StartStateIndex to 0 and returns first linked state.
Parent linked state, or invalid state if no linked state found.
[FStateTreeStateHandle](API\Plugins\StateTreeModule\FStateTreeStateHandle) GetParentLinkedStateHandle ( const [FStateTreeActiveStates](API\Plugins\StateTreeModule\FStateTreeActiveStates) & ActiveStates, const int32 StartStateIndex ) const